body {
	overflow: hidden; /* this is important to prevent the whole page to bounce */
  height: 100vh;
}

.ball {
  width: 100vw;
  height: 100vh;
  background: url(../img/bg.jpg) no-repeat #000;
  background-size: 100% auto;
  position: relative;
}

.ball-title {
  width: 100vw;
  height: 3.24rem;
  margin: 0 auto;
  display: block;
}

.ball-wrapper {
  top: 3.11rem;
  position: absolute;
}

.ball-list {
  width: 7.52rem;
  margin: 0 auto;
}

.ball-list-item {
  width: 7.52rem;
  height: 1.39rem;
  opacity: 0;
}

.hide {
  display: none;
}
